Common storylines revolve around Finn and Jake discovering strange creatures, dealing with the antagonistic but misunderstood Ice King, and battling monsters in order to help others.This season's main story arc, however, deals with Finn discovering the true identity of his human father,Adventure Time Season 7 and his subsequent attempts to reconnect with him.The season ends with Princess Bubblegum being deposed by the King of Ooo (voiced by Andy Daly), and Finn fighting the primordial cosmic demon Orgalorg (the actual identity of Gunter the penguin) in space.The season follows the adventures of Finn the Human, a human boy, and his best friend Jake, a dog with magical powers to change shape, grow, and shrink at will. Finn and Jake live in the post-apocalyptic Land of Ooo, wherein they interact with the other major characters, including: Princess Bubblegum, The Ice King,Adventure Time Season 7 DVD Marceline the Vampire Queen, Lumpy Space Princess, BMO, and Flame Princess.